TWI684351B - 解碼裝置、解碼方法、編碼裝置，以及編碼方法 - Google Patents

解碼裝置、解碼方法、編碼裝置，以及編碼方法 Download PDF

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TWI684351B
TWI684351B TW103134265A TW103134265A TWI684351B TW I684351 B TWI684351 B TW I684351B TW 103134265 A TW103134265 A TW 103134265A TW 103134265 A TW103134265 A TW 103134265A TW I684351 B TWI684351 B TW I684351B
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transform
unit
block
image
encoding
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TW103134265A
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TW201524194A (zh
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佐藤数史
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日商新力股份有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW103134265A 2013-10-11 2014-10-01 解碼裝置、解碼方法、編碼裝置，以及編碼方法 TWI684351B (zh)

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JP2013-214118 2013-10-11
JP2013214118A JP6287035B2 (ja) 2013-10-11 2013-10-11 復号装置および復号方法

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TW201524194A TW201524194A (zh) 2015-06-16
TWI684351B true TWI684351B (zh) 2020-02-01

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US (3) US10687060B2 (OSRAM)
EP (1) EP3039869B1 (OSRAM)
JP (1) JP6287035B2 (OSRAM)
KR (2) KR102242722B1 (OSRAM)
CN (1) CN105900424B (OSRAM)
TW (1) TWI684351B (OSRAM)
WO (1) WO2015052898A1 (OSRAM)

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JP6287035B2 (ja) * 2013-10-11 2018-03-07 ソニー株式会社 復号装置および復号方法
US9807398B2 (en) * 2014-09-30 2017-10-31 Avago Technologies General Ip (Singapore) Pte. Ltd. Mode complexity based coding strategy selection
CN117499649A (zh) * 2016-04-29 2024-02-02 英迪股份有限公司 图像解码装置、图像编码装置和用于发送比特流的装置
CN109937574B (zh) * 2016-11-11 2021-11-09 索尼公司 发送设备、发送方法和内容分发系统
EP3349455A1 (en) 2017-01-11 2018-07-18 Thomson Licensing Method and device for coding a block of video data, method and device for decoding a block of video data
CN112771864B (zh) * 2018-09-19 2023-08-29 寰发股份有限公司 视频编解码系统中变换系数量化缩放的方法及装置
CN109151505B (zh) * 2018-11-07 2021-02-26 深圳市网心科技有限公司 一种视频转码方法、系统、装置及计算机可读存储介质
CN111277840B (zh) * 2018-12-04 2022-02-08 华为技术有限公司 变换方法、反变换方法以及视频编码器和视频解码器
CN119967175A (zh) * 2018-12-26 2025-05-09 韩国电子通信研究院 量化矩阵编码/解码方法和装置以及存储比特流的记录介质
WO2020249762A1 (en) * 2019-06-14 2020-12-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder, methods and computer programs with an improved transform based scaling
AU2020203330B2 (en) 2020-05-21 2022-12-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
CN113542798A (zh) * 2021-05-31 2021-10-22 浙江大华技术股份有限公司 视频流的传输方法、电子设备及存储介质
US12243274B2 (en) * 2021-12-07 2025-03-04 Cloudinary Ltd. System, device, and method for improved encoding and enhanced compression of images, videos, and media content

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CN105900424A (zh) 2016-08-24
EP3039869B1 (en) 2021-12-01
US10687060B2 (en) 2020-06-16
CN105900424B (zh) 2019-05-28
KR102338523B1 (ko) 2021-12-14
US11546594B2 (en) 2023-01-03
JP6287035B2 (ja) 2018-03-07
KR102242722B1 (ko) 2021-04-22
WO2015052898A1 (en) 2015-04-16
TW201524194A (zh) 2015-06-16
EP3039869A1 (en) 2016-07-06
JP2015076859A (ja) 2015-04-20
KR20160071364A (ko) 2016-06-21
KR20210043750A (ko) 2021-04-21
US20160255346A1 (en) 2016-09-01
US20210250585A1 (en) 2021-08-12
US20200221090A1 (en) 2020-07-09

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